#!/usr/bin/env python3


def main():
    x = int(input())
    lank: int = 0
    if 400 <= x <= 599:
        lank = 8
    elif x <= 799:
        lank = 7
    elif x <= 999:
        lank = 6
    elif x <= 1199:
        lank = 5
    elif x <= 1399:
        lank = 4
    elif x <= 1599:
        lank = 3
    elif x <= 1799:
        lank = 2
    else:
        lank = 1
    print(lank)


if __name__ == "__main__":
    main() def main():
    x = int(input())
    lank: int = 0
    if 400 <= x <= 599:
        lank = 8
    elif x <= 799:
        lank = 7
    elif x <= 999:
        lank = 6
    elif x <= 1199:
        lank = 5
    elif x <= 1399:
        lank = 4
    elif x <= 1599:
        lank = 3
    elif x <= 1799:
        lank = 2
    else:
        lank = 1
    print(lank) main x = int(input()) x int(input()) int input() input lank: int = 0 lank 0 if 400 <= x <= 599:
        lank = 8
    elif x <= 799:
        lank = 7
    elif x <= 999:
        lank = 6
    elif x <= 1199:
        lank = 5
    elif x <= 1399:
        lank = 4
    elif x <= 1599:
        lank = 3
    elif x <= 1799:
        lank = 2
    else:
        lank = 1
     400 <= x <= 599 400 <= x 400 x 599 lank = 8 lank 8 elif x <= 799:
        lank = 7
     x <= 799 x 799 lank = 7 lank 7 elif x <= 999:
        lank = 6
     x <= 999 x 999 lank = 6 lank 6 elif x <= 1199:
        lank = 5
     x <= 1199 x 1199 lank = 5 lank 5 elif x <= 1399:
        lank = 4
     x <= 1399 x 1399 lank = 4 lank 4 elif x <= 1599:
        lank = 3
     x <= 1599 x 1599 lank = 3 lank 3 elif x <= 1799:
        lank = 2
     x <= 1799 x 1799 lank = 2 lank 2 lank = 1 lank 1 print(lank) print lank if __name__ == "__main__":
    main() __name__ == "__main__" __name__ "__main__" main() main def main():
    x = int(input())
    lank: int = 0
    if 400 <= x <= 599:
        lank = 8
    elif x <= 799:
        lank = 7
    elif x <= 999:
        lank = 6
    elif x <= 1199:
        lank = 5
    elif x <= 1399:
        lank = 4
    elif x <= 1599:
        lank = 3
    elif x <= 1799:
        lank = 2
    else:
        lank = 1
    print(lank) def main():
    x = int(input())
    lank: int = 0
    if 400 <= x <= 599:
        lank = 8
    elif x <= 799:
        lank = 7
    elif x <= 999:
        lank = 6
    elif x <= 1199:
        lank = 5
    elif x <= 1399:
        lank = 4
    elif x <= 1599:
        lank = 3
    elif x <= 1799:
        lank = 2
    else:
        lank = 1
    print(lank) main
#!/usr/bin/env python3


def main():
    x = int(input())
    lank: int = 0
    if 400 <= x <= 599:
        lank = 8
    elif x <= 799:
        lank = 7
    elif x <= 999:
        lank = 6
    elif x <= 1199:
        lank = 5
    elif x <= 1399:
        lank = 4
    elif x <= 1599:
        lank = 3
    elif x <= 1799:
        lank = 2
    else:
        lank = 1
    print(lank)


if __name__ == "__main__":
    main()
